/* =======================
   CSS Variables (테마)
======================= */
:root {
  /* 다크 모드 기본값 */
  --bg-primary: #000000;
  --bg-secondary: #050505;
  --bg-tertiary: #0f0f0f;
  --text-primary: #ffffff;
  --text-secondary: rgba(255,255,255,0.7);
  --border-color: rgba(100,100,100,0.8);
  --btn-bg-start: rgba(80,80,80,0.9);
  --btn-bg-mid: rgba(60,60,60,0.9);
  --btn-bg-end: rgba(40,40,40,0.9);
  --btn-hover-start: rgba(120,120,120,0.95);
  --btn-hover-mid: rgba(100,100,100,0.95);
  --btn-hover-end: rgba(80,80,80,0.95);
  --btn-shadow-color: rgba(100,100,100,0.3);
  --btn-hover-glow: rgba(150,150,150,0.6);
  --radar-color: rgba(255,255,255,0.4);
  --scanline-color: rgba(255,255,255,0.03);
  --hex-opacity: 0.1;
  --time-box-bg: rgba(0,0,0,0.8);
  --time-box-border: #333;
  --notice-bg: rgba(10,10,10,0.85);
  --notice-border: rgba(80,80,80,0.6);
  --notice-item-bg: rgba(255,255,255,0.03);
  --notice-item-border: rgba(255,255,255,0.08);
  --toggle-bg: rgba(40,40,40,0.9);
  --toggle-border: rgba(120,120,120,0.6);
  --body-grad1: rgba(50,50,50,0.3);
  --body-grad2: rgba(40,40,40,0.4);
  --body-grad3: rgba(50,50,50,0.2);
}

[data-theme="light"] {
  --bg-primary: #f0f0f0;
  --bg-secondary: #e8e8e8;
  --bg-tertiary: #d8d8d8;
  --text-primary: #111111;
  --text-secondary: rgba(0,0,0,0.6);
  --border-color: rgba(100,100,100,0.5);
  --btn-bg-start: rgba(200,200,200,0.95);
  --btn-bg-mid: rgba(180,180,180,0.95);
  --btn-bg-end: rgba(160,160,160,0.95);
  --btn-hover-start: rgba(220,220,220,1);
  --btn-hover-mid: rgba(200,200,200,1);
  --btn-hover-end: rgba(180,180,180,1);
  --btn-shadow-color: rgba(0,0,0,0.15);
  --btn-hover-glow: rgba(100,100,100,0.4);
  --radar-color: rgba(0,0,0,0.3);
  --scanline-color: rgba(0,0,0,0.02);
  --hex-opacity: 0.05;
  --time-box-bg: rgba(255,255,255,0.85);
  --time-box-border: #cccccc;
  --notice-bg: rgba(255,255,255,0.9);
  --notice-border: rgba(0,0,0,0.15);
  --notice-item-bg: rgba(0,0,0,0.03);
  --notice-item-border: rgba(0,0,0,0.1);
  --toggle-bg: rgba(230,230,230,0.95);
  --toggle-border: rgba(100,100,100,0.5);
  --body-grad1: rgba(200,200,200,0.3);
  --body-grad2: rgba(180,180,180,0.2);
  --body-grad3: rgba(200,200,200,0.15);
}

/* =======================
   Global Reset
======================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background:
    radial-gradient(circle at 20% 50%, var(--body-grad1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, var(--body-grad2) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, var(--body-grad3) 0%, transparent 50%),
    linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 30%, var(--bg-tertiary) 60%, var(--bg-secondary) 100%);
  min-height: 100vh;
  font-family: 'Orbitron', monospace;
  overflow-x: hidden;
  position: relative;
  transition: background 0.4s ease, color 0.4s ease;
  color: var(--text-primary);
}

/* =======================
   Scanline Effect
======================= */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 2px,
    var(--scanline-color) 2px,
    var(--scanline-color) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* =======================
   Hex Pattern Background
======================= */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='m36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: var(--hex-opacity);
  animation: hexMove 30s linear infinite;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.4s ease;
}

@keyframes hexMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

/* =======================
   Dark / Light Toggle
======================= */
.theme-toggle {
  position: absolute;
  top: 55px;
  right: 20px;
  z-index: 100;
  background: var(--toggle-bg);
  border: 2px solid var(--toggle-border);
  border-radius: 30px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-family: 'Orbitron', monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 15px rgba(0,0,0,0.3);
}

.theme-toggle:hover {
  transform: scale(1.05);
  border-color: var(--text-secondary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.toggle-icon {
  font-size: 14px;
  transition: transform 0.4s ease;
}

.theme-toggle:hover .toggle-icon {
  transform: rotate(20deg);
}

[data-theme="light"] .toggle-icon { content: '🌙'; }

/* =======================
   Container
======================= */
.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 100vw;
  margin: 0 auto;
}

/* =======================
   Warning Banner
======================= */
.warning-banner {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(50, 50, 50, 0.2);
  border: 2px solid #444444;
  border-radius: 10px;
  padding: 10px 20px;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  animation: warningPulse 2s ease-in-out infinite;
  backdrop-filter: blur(10px);
}

@keyframes warningPulse {
  0%, 100% { opacity: 0.7; box-shadow: 0 0 5px rgba(255,255,255,0.3); }
  50% { opacity: 1; box-shadow: 0 0 20px rgba(255,255,255,0.6); }
}

/* =======================
   Logo
======================= */
.logo-container {
  text-align: center;
  margin-bottom: 60px;
  margin-top: 40px;
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.logo-title {
  color: var(--text-primary);
  font-size: 72px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 12px;
  text-shadow:
    0 0 10px rgba(255,255,255,0.8),
    0 0 20px rgba(255,255,255,0.6),
    0 0 40px rgba(255,255,255,0.4),
    0 0 80px rgba(255,255,255,0.2);
  margin-bottom: 15px;
  position: relative;
  animation: titleGlitch 4s ease-in-out infinite;
}

.logo-title::before {
  content: 'PUBG MK14';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: #cccccc;
  animation: glitchShift 4s ease-in-out infinite;
  opacity: 0;
}

@keyframes titleGlitch {
  0%, 90%, 100% { transform: translate(0); }
  92% { transform: translate(-2px, 2px); }
  94% { transform: translate(2px, -2px); }
  96% { transform: translate(-1px, 1px); }
}

@keyframes glitchShift {
  0%, 90%, 100% { opacity: 0; transform: translate(0); }
  92% { opacity: 0.8; transform: translate(2px, -2px); }
  94% { opacity: 0.6; transform: translate(-2px, 2px); }
  96% { opacity: 0.4; transform: translate(1px, -1px); }
}

.logo-subtitle {
  color: var(--text-primary);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  opacity: 0.9;
  text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

/* =======================
   Radar Effect
======================= */
.radar-container {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 350px;
  height: 350px;
  border-radius: 50%;
  opacity: 0.8;
}

.radar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--radar-color);
  animation: radarPulse 4s ease-in-out infinite;
}

.radar-ring:nth-child(1) { width: 100%; height: 100%; top: 0; left: 0; animation-delay: 0s; }
.radar-ring:nth-child(2) { width: 70%; height: 70%; top: 15%; left: 15%; animation-delay: 1s; }
.radar-ring:nth-child(3) { width: 40%; height: 40%; top: 30%; left: 30%; animation-delay: 2s; }

.radar-sweep {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 3px;
  height: 175px;
  background: linear-gradient(to bottom,
    rgba(255,255,255,0.9) 0%,
    rgba(255,255,255,0.7) 40%,
    rgba(255,255,255,0.4) 70%,
    transparent 100%);
  transform-origin: bottom center;
  animation: radarSweep 5s linear infinite;
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

@keyframes radarSweep {
  0% { transform: translate(-50%, -100%) rotate(0deg); }
  100% { transform: translate(-50%, -100%) rotate(360deg); }
}

@keyframes radarPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); border-width: 1px; }
  50% { opacity: 0.8; transform: scale(1.05); border-width: 2px; box-shadow: 0 0 20px rgba(255,255,255,0.3); }
}

/* =======================
   Buttons
======================= */
.buttons-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  max-width: 1200px;
  width: 100%;
  padding: 0 20px;
  justify-items: center;
  place-items: center;
}

.pubg-button {
  background: linear-gradient(145deg,
    var(--btn-bg-start) 0%,
    var(--btn-bg-mid) 50%,
    var(--btn-bg-end) 100%);
  color: var(--text-primary);
  border: 3px solid var(--border-color);
  padding: 25px 20px;
  font-size: 16px;
  font-weight: 900;
  font-family: 'Orbitron', monospace;
  border-radius: 20px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  box-shadow:
    0 10px 30px rgba(0,0,0,0.5),
    inset 0 1px 0 rgba(255,255,255,0.3),
    0 0 20px var(--btn-shadow-color);
  width: 100%;
  max-width: 350px;
  justify-self: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.pubg-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
    transparent,
    rgba(255,255,255,0.4),
    transparent);
  transition: left 0.6s ease;
}

.pubg-button::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.pubg-button:hover::before { left: 100%; }
.pubg-button:hover::after { opacity: 1; }

.pubg-button:hover {
  background: linear-gradient(145deg,
    var(--btn-hover-start) 0%,
    var(--btn-hover-mid) 50%,
    var(--btn-hover-end) 100%);
  transform: translateY(-5px) scale(1.05);
  box-shadow:
    0 20px 40px rgba(0,0,0,0.7),
    0 0 50px var(--btn-hover-glow),
    inset 0 0 20px rgba(255,255,255,0.2);
  border-color: rgba(150,150,150,0.9);
}

.pubg-button:active {
  transform: translateY(-2px) scale(1.02);
}

/* =======================
   Button Labels
======================= */
.btn-uc-calc::after { content: '🫳 UC CALCULATOR'; font-size: 14px; display: block; margin-top: 5px; }
/*
.btn-ios::after { content: '🫳 UC → 돈 IOS'; font-size: 14px; display: block; margin-top: 5px; }
.btn-aos::after { content: '🫳 UC → 돈 AOS'; font-size: 14px; display: block; margin-top: 5px; }
.btn-budget-ios::after { content: '🫳 돈 → UC IOS'; font-size: 14px; display: block; margin-top: 5px; }
.btn-budget-aos::after { content: '🫳 돈 → UC AOS'; font-size: 14px; display: block; margin-top: 5px; }
*/
.btn-calc::after { content: '🫳 CALCULATOR'; font-size: 14px; display: block; margin-top: 5px; }
.btn-uc-calendar::after { content: '🫳 CALENDAR'; font-size: 14px; display: block; margin-top: 5px; }
.btn-navercafe::after { content: '🫳 cafe'; font-size: 14px; display: block; margin-top: 5px; }
.btn-kakaotlak::after { content: '🫳 KAKAO TLAK'; font-size: 14px; display: block; margin-top: 5px; }
.btn-redeem::after { content: '🫳 REDEEM'; font-size: 14px; display: block; margin-top: 5px; }
.btn-applist::after { content: '🫳 APP LIST'; font-size: 14px; display: block; margin-top: 5px; }
.btn-midasbuy::after { content: '🫳 midasbuy'; font-size: 14px; display: block; margin-top: 5px; }

/* =======================
   Notice Banner
======================= */
.notice-section {
  width: 100%;
  max-width: 1100px;
  margin: 50px 20px 10px;
  padding: 0 20px;
}

.notice-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.notice-badge {
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: 6px;
  padding: 4px 14px;
  background: var(--notice-item-bg);
  backdrop-filter: blur(8px);
  text-transform: uppercase;
}

.notice-date {
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 1px;
  display: block;
  text-align: right;
  margin-top: 8px;
  padding-right: 4px;
}

.notice-list {
  background: var(--notice-bg);
  border: 1px solid var(--notice-border);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.notice-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: var(--notice-item-bg);
  border: 1px solid var(--notice-item-border);
  border-radius: 10px;
  transition: all 0.2s ease;
}

.notice-item:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
  transform: translateX(4px);
}

.notice-important {
  border-left: 3px solid #ffcc00 !important;
}

.notice-tag {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
}

.tag-event {
  background: rgba(255, 200, 0, 0.2);
  color: #ffcc00;
  border: 1px solid rgba(255, 200, 0, 0.4);
}

.tag-update {
  background: rgba(0, 200, 255, 0.15);
  color: #00ccff;
  border: 1px solid rgba(0, 200, 255, 0.3);
}

.tag-info {
  background: rgba(180, 180, 180, 0.15);
  color: #aaaaaa;
  border: 1px solid rgba(180, 180, 180, 0.3);
}

.tag-notice {
  background: rgba(255, 80, 80, 0.15);
  color: #ff5050;
  border: 1px solid rgba(255, 80, 80, 0.3);
}

.notice-text {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.6;
  letter-spacing: 0.5px;
  opacity: 0.9;
  font-family: 'Orbitron', monospace;
}

/* =======================
   Corner UI
======================= */
.corner-ui {
  position: fixed;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: bold;
  z-index: 10;
}

.corner-ui.top-left { top: 20px; left: 20px; }
.corner-ui.top-right { top: 20px; right: 20px; }
.corner-ui.bottom-left { bottom: 20px; left: 20px; }
.corner-ui.bottom-right { bottom: 20px; right: 20px; }

/* =======================
   Bottom Clock
======================= */
.footer-clock {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 0;
  margin-top: 50px;
}

.time-box {
  background: var(--time-box-bg);
  border: 1px solid var(--time-box-border);
  border-radius: 12px;
  padding: 20px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
  min-width: 320px;
  transition: background 0.4s ease, border-color 0.4s ease;
}

.time-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: 'Orbitron', monospace;
  width: 100%;
}

.utc-row {
  color: #888;
  font-size: 15px;
  letter-spacing: 1px;
}

.kst-row {
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1.5px;
}

.kst-row .icon {
  color: #ffcc00;
  font-size: 18px;
  margin-right: 4px;
}

.label {
  font-weight: 900;
  min-width: 50px;
  text-align: left;
}

/* =======================
   Load-in Animation
======================= */
.load-in {
  animation: loadIn 1.2s ease-out forwards;
  opacity: 0;
  transform: translateY(50px);
  animation-delay: calc(var(--i) * 0.2s + 0.1s);
}

@keyframes loadIn {
  to { opacity: 1; transform: translateY(0); }
}

/* =======================
   Notice Link Style
======================= */
.notice-link {
  text-decoration: none;
  cursor: pointer;
}

.notice-arrow {
  margin-left: auto;
  font-size: 20px;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.notice-link:hover .notice-arrow {
  transform: translateX(3px);
}

/* =======================
   Responsive
======================= */
@media (max-width: 768px) {
  .logo-title { font-size: 48px; letter-spacing: 6px; }
  .buttons-container { grid-template-columns: 1fr; gap: 20px; padding: 0 10px; }
  .pubg-button { padding: 20px 15px; font-size: 14px; }
  .radar-container { width: 250px; height: 250px; top: -60px; }
  .radar-sweep { height: 100px; }
  .time-box { padding: 15px 25px; min-width: 280px; }
  .kst-row { font-size: 16px; }
  .utc-row { font-size: 13px; }
  /* 모바일: 코너 UI(SERVERS: KR/JP) 아래에 위치해서 안 겹치게 */
  .theme-toggle { right: 10px; top: 50px; padding: 6px 12px; font-size: 10px; }
  .notice-section { margin: 40px 10px 10px; padding: 0 10px; }
  .notice-text { font-size: 11px; }
}